LAW on the Implementation of the Statute of the International Criminal Court and the Prosecution of Crimes against International Law of War and Humanitarian Law
V COOPERATION WITH INTERNATIONAL CRIMINAL COURT
Article 27
When there are real or legal reasons, particularly those mentioned in Article 97 of the Statute, the competent government body shall promptly inform the Government of the Republic of Croatia which shall consult the ICC concerning the way to solve the problem.
EDIT.